/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed * with this work for additional information regarding copyright * ownership. The ASF licenses this file to you under the Apache * License, Version 2.0 (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of * the License at http://www.apache.org/licenses/LICENSE-2.0 . */ #ifndef INCLUDED_IDL_INC_LEX_HXX #define INCLUDED_IDL_INC_LEX_HXX #include #include #include #include enum SVTOKEN_ENUM { SVTOKEN_EMPTY, SVTOKEN_COMMENT, SVTOKEN_INTEGER, SVTOKEN_STRING, SVTOKEN_BOOL, SVTOKEN_IDENTIFIER, SVTOKEN_CHAR, SVTOKEN_RTTIBASE, SVTOKEN_EOF, SVTOKEN_HASHID }; class SvToken { friend class SvTokenStream; sal_uLong nLine, nColumn; SVTOKEN_ENUM nType; OString aString; union { sal_uLong nLong; bool bBool; char cChar; SvStringHashEntry * pHash; }; public: SvToken(); SvToken( const SvToken & rObj ); SvToken( sal_uLong n ); SvToken( SVTOKEN_ENUM nTypeP, bool b ); SvToken( char c ); SvToken( SVTOKEN_ENUM nTypeP, const OString& rStr ); SvToken( SVTOKEN_ENUM nTypeP ); SvToken & operator = ( const SvToken & rObj ); OString GetTokenAsString() const; SVTOKEN_ENUM GetType() const { return nType; } void SetLine( sal_uLong nLineP ) { nLine = nLineP; } sal_uLong GetLine() const { return nLine; } void SetColumn( sal_uLong nColumnP ) { nColumn = nColumnP; } sal_uLong GetColumn() const { return nColumn; } bool IsEmpty() const { return nType == SVTOKEN_EMPTY; } bool IsComment() const { return nType == SVTOKEN_COMMENT; } bool IsInteger() const { return nType == SVTOKEN_INTEGER; } bool IsString() const { return nType == SVTOKEN_STRING; } bool IsBool() const { return nType == SVTOKEN_BOOL; } bool IsIdentifierHash() const { return nType == SVTOKEN_HASHID; } bool IsIdentifier() const { return nType == SVTOKEN_IDENTIFIER || nType == SVTOKEN_HASHID; } bool IsChar() const { return nType == SVTOKEN_CHAR; } bool IsRttiBase() const { return nType == SVTOKEN_RTTIBASE; } bool IsEof() const { return nType == SVTOKEN_EOF; } const OString& GetString() const { return IsIdentifierHash() ? pHash->GetName() : aString; } sal_uLong GetNumber() const { return nLong; } bool GetBool() const { return bBool; } char GetChar() const { return cChar; } void SetHash( SvStringHashEntry * pHashP ) { pHash = pHashP; nType = SVTOKEN_HASHID; } bool HasHash() const { return nType == SVTOKEN_HASHID; } SvStringHashEntry * GetHash() const { return pHash; } bool Is( SvStringHashEntry * pEntry ) const { return IsIdentifierHash() && pHash == pEntry; } }; inline SvToken::SvToken() : nLine(0) , nColumn(0) , nType( SVTOKEN_EMPTY ) { } inline SvToken::SvToken( sal_uLong n ) : nType( SVTOKEN_INTEGER ), nLong( n ) {} inline SvToken::SvToken( SVTOKEN_ENUM nTypeP, bool b ) : nType( nTypeP ), bBool( b ) {} inline SvToken::SvToken( char c ) : nType( SVTOKEN_CHAR ), cChar( c ) {} inline SvToken::SvToken( SVTOKEN_ENUM nTypeP, const OString& rStr ) : nType( nTypeP ), aString( rStr ) {} inline SvToken::SvToken( SVTOKEN_ENUM nTypeP ) : nType( nTypeP ) {} class SvTokenStream { sal_uLong nLine, nColumn; int nBufPos; int c; // next character sal_uInt16 nTabSize; // length of tabulator OString aStrTrue; OString aStrFalse; sal_uLong nMaxPos; SvFileStream * pInStream; SvStream & rInStream; OUString aFileName; boost::ptr_vector aTokList; boost::ptr_vector::iterator pCurToken; OString aBufStr; void InitCtor(); int GetNextChar(); int GetFastNextChar() { return (nBufPos < aBufStr.getLength()) ? aBufStr[nBufPos++] : '\0'; } void FillTokenList(); sal_uLong GetNumber(); bool MakeToken( SvToken & ); bool IsEof() const { return rInStream.IsEof(); } void SetMax() { sal_uLong n = Tell(); if( n > nMaxPos ) nMaxPos = n; } void CalcColumn() { // if end of line spare calculation if( 0 != c ) { sal_uInt16 n = 0; nColumn = 0; while( n < nBufPos ) nColumn += aBufStr[n++] == '\t' ? nTabSize : 1; } } public: SvTokenStream( const OUString & rFileName ); SvTokenStream( SvStream & rInStream, const OUString & rFileName ); ~SvTokenStream(); const OUString & GetFileName() const { return aFileName; } SvStream & GetStream() { return rInStream; } void SetTabSize( sal_uInt16 nTabSizeP ) { nTabSize = nTabSizeP; } sal_uInt16 GetTabSize() const { return nTabSize; } SvToken* GetToken_PrevAll() { boost::ptr_vector::iterator pRetToken = pCurToken; // current iterator always valid if(pCurToken != aTokList.begin()) --pCurToken; return &(*pRetToken); } SvToken* GetToken_NextAll() { boost::ptr_vector::iterator pRetToken = pCurToken++; if (pCurToken == aTokList.end()) pCurToken = pRetToken; SetMax(); return &(*pRetToken); } SvToken* GetToken_Next() { // comments get removed initially return GetToken_NextAll(); } SvToken* GetToken() const { return &(*pCurToken); } bool Read( char cChar ) { if( pCurToken->IsChar() && cChar == pCurToken->GetChar() ) { GetToken_Next(); return true; } else return false; } void ReadDelemiter() { if( pCurToken->IsChar() && (';' == pCurToken->GetChar() || ',' == pCurToken->GetChar()) ) { GetToken_Next(); } } sal_uInt32 Tell() const { return pCurToken-aTokList.begin(); } void Seek( sal_uInt32 nPos ) { pCurToken = aTokList.begin() + nPos; SetMax(); } void SeekRel( sal_uInt32 nRelPos ) { sal_uInt32 relIdx = Tell() + nRelPos; if ( relIdx < aTokList.size()) { pCurToken = aTokList.begin()+ (Tell() + nRelPos ); SetMax(); } } void SeekEnd() { pCurToken = aTokList.begin()+nMaxPos; } }; #endif // INCLUDED_IDL_INC_LEX_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */